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BaseRepresentation
bin10100111101
31211200
4110331
520331
610113
73624
oct2475
91750
101341
11100a
12939
137c2
146bb
155e6
hex53d

1341 has 6 divisors (see below), whose sum is σ = 1950. Its totient is φ = 888.

The previous prime is 1327. The next prime is 1361. The reversal of 1341 is 1431.

1341 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in only one way, i.e., 900 + 441 = 30^2 + 21^2 .

It is not a de Polignac number, because 1341 - 26 = 1277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 149 = 1341 / (1 + 3 + 4 + 1).

It is a lonely number, since its distance to closest prime (1327) sets a new record.

1341 is an undulating number in base 12.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66 + ... + 83.

It is an arithmetic number, because the mean of its divisors is an integer number (325).

21341 is an apocalyptic number.

It is an amenable number.

1341 is a deficient number, since it is larger than the sum of its proper divisors (609).

1341 is a wasteful number, since it uses less digits than its factorization.

1341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 152 counting only the distinct ones).

The product of its digits is 12, while the sum is 9.

The square root of 1341 is about 36.6196668472. The cubic root of 1341 is about 11.0274795046.

Adding to 1341 its reverse (1431), we get a palindrome (2772).

The spelling of 1341 in words is "one thousand, three hundred forty-one", and thus it is an iban number.

Divisors: 1 3 9 149 447 1341